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<document id="D196040967C86A1D7330EF70ED12E417" ID-CLB-Dataset="7750" ID-DOI="10.11646/zootaxa.4938.4.1" ID-GBIF-Dataset="e5d1920d-c769-4aea-a8cb-237a0e58ae4c" ID-ISSN="1175-5326" ID-Zenodo-Dep="4574809" ID-ZooBank="6FEECE37-B2D3-4AE3-9878-CF212420AF9C" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1614750655839" checkinUser="plazi" docAuthor="Babenko, Anatoly, Kuznetsova, Natalia, Nakamori, Taizo &amp; Shveenkova, Yulia" docDate="2021" docId="BF05878D2326FFEBFF498FBBFECECD1A" docLanguage="en" docName="zootaxa.4938.4.1.pdf" docOrigin="Zootaxa 4938 (4)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Pseudachorutes armatus Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova 2021, sp. nov." docType="treatment" docVersion="7" lastPageNumber="357" masterDocId="433CFFF52323FFEDFFDE8D09FF9DCA57" masterDocTitle="A review of Pseudachorutes Tullberg, 1871 (Collembola, Neanuridae) from the East Asia, with description of six new species" masterLastPageNumber="391" masterPageNumber="351" pageNumber="356" updateTime="1698931878726" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="C468DAC7564F62D00599D41205522D22">A review of Pseudachorutes Tullberg, 1871 (Collembola, Neanuridae) from the East Asia, with description of six new species</mods:title>
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<mods:namePart id="DD7F86437E74A490EA92D7D1035C7502">Babenko, Anatoly</mods:namePart>
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<mods:namePart id="566F7379F588738FA7E8A1ADE2282C5B">Kuznetsova, Natalia</mods:namePart>
<mods:affiliation id="5B398C1A832DFA9B045F0CD6987D0F71">Moscow State Pedagogical University, Moscow 129278, Russia</mods:affiliation>
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<mods:namePart id="58FCF298E5CF1C650C55345762FD5CDF">Nakamori, Taizo</mods:namePart>
<mods:affiliation id="9AD1B9A5CFF935BEDE88764F4981D745">Department of Environment and Natural Sciences, Graduate School of Environment and Information Sciences, Yokohama National University, Yokohama 240 - 8501, Japan</mods:affiliation>
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<mods:namePart id="30E6666E1DCAC477C9D2B134032FB554">Shveenkova, Yulia</mods:namePart>
<mods:affiliation id="0AC059377362796BA87C6B33FB8882F2">State Natural Reserve Privolzhskaya lesostep, Penza 440031, Russia</mods:affiliation>
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<mods:date id="72B524C7A2DCA6E08E7AD04AC211217D">2021</mods:date>
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<paragraph id="3713369B2326FFE8FF498FBBFCD7C89A" blockId="5.[151,842,690,753]" box="[151,842,690,717]" pageId="5" pageNumber="356">
<heading id="6C5B81F72326FFE8FF498FBBFCD7C89A" bold="true" box="[151,842,690,717]" fontSize="11" level="1" pageId="5" pageNumber="356" reason="1">
<emphasis id="05D8EA892326FFE8FF498FBBFCD7C89A" bold="true" box="[151,842,690,717]" pageId="5" pageNumber="356">
<taxonomicName id="F0AC4D182326FFE8FF498FBBFD7BC89B" authority="Babenko &amp; Sveenkova" authorityName="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova" authorityYear="2021" box="[151,742,690,717]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="5" pageNumber="356" phylum="Arthropoda" rank="species" species="armatus" status="sp. nov.">
<emphasis id="05D8EA892326FFE8FF498FBBFE5FC89A" bold="true" box="[151,450,690,717]" italics="true" pageId="5" pageNumber="356">Pseudachorutes armatus</emphasis>
Babenko &amp; Sveenkova
</taxonomicName>
<taxonomicNameLabel id="1EEB57F22326FFE8FD338FBAFCD7C89A" box="[749,842,691,717]" pageId="5" pageNumber="356" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
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</paragraph>
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<subSubSection id="7FB665102326FFE8FF498FDEFEE8C8A6" box="[151,373,726,753]" pageId="5" pageNumber="356" type="description">
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<figureCitation id="AF972A1E2326FFE8FF498FDEFE8AC8A6" box="[151,279,726,753]" captionStart="FIGURES 1524" captionStartId="7.[151,264,1919,1943]" captionTargetBox="[208,1369,256,1805]" captionTargetId="figure-20@7.[188,1400,179,1893]" captionTargetPageId="7" captionText="FIGURES 1524. Pseudachorutes armatus sp. nov.: 15, dorsal chaetotaxy; 16, Ant. IIIIV (ventral side); 17, Ant. IIIIV (dorsal side); 18, AOIII; 19, labium; 20, mandible; 21, PAO and nearest ocelli; 22, ventral chaetotaxy of abdomen; 23, modified spine-like setae on Abd. IVV in male; 24, dens and mucro. Scales: Figs 15, 22 = 0.1 mm, 1621, 2324 = 0.01 mm." figureDoi="http://doi.org/10.5281/zenodo.4574817" httpUri="https://zenodo.org/record/4574817/files/figure.png" pageId="5" pageNumber="356">Figs 1524</figureCitation>
,
<tableCitation id="7A2E03202326FFE8FEFC8FDEFEE8C8A6" box="[290,373,727,753]" captionStart="TABLE 1" captionStartId="34.[151,239,587,613]" captionText="TABLE 1. Main morphological characters of the East Asian species of the genus Pseudachorutes" pageId="5" pageNumber="356">Table 1</tableCitation>
</paragraph>
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<paragraph id="3713369B2326FFE8FF498E16FCDCC9F2" blockId="5.[151,1437,798,1977]" pageId="5" pageNumber="356">
<emphasis id="05D8EA892326FFE8FF498E16FED8C96F" bold="true" box="[151,325,798,825]" pageId="5" pageNumber="356">Type material.</emphasis>
<materialsCitation id="87C43CC62326FFE8FE928E16FCE3C9D6" ID-GBIF-Occurrence="3053021324" collectingDate="2002-07-28" collectionCode="MSPU" collectorName="O. Makarova" country="Russia" county="Republic" elevation="1480" latitude="63.240833" location="Kyubyume River" longLatPrecision="10" longitude="139.63133" municipality="Suntar-Khayata Mt. Range" pageId="5" pageNumber="356" specimenCount="1" stateProvince="Sakha" typeStatus="holotype">
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:
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, male,
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of
<collectingRegion id="F568F8792326FFE8FD388E16FCB7C96E" box="[742,810,799,825]" country="Russia" name="Sakha" pageId="5" pageNumber="356">Sakha</collectingRegion>
(Yakutia),
<collectingMunicipality id="D777ACE12326FFE8FC768E16FB4AC96E" box="[936,1239,799,825]" pageId="5" pageNumber="356">Suntar-Khayata Mt. Range</collectingMunicipality>
, upper reaches of
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, vicinity of «Vostochnaya» weather station,
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<geoCoordinate id="5298505C2326FFE8FC348E4AFBE6C90A" box="[1002,1147,835,861]" degrees="139" direction="east" minutes="37.88" orientation="longitude" pageId="5" pageNumber="356" precision="9" value="139.63133">139°37.88E</geoCoordinate>
,
<taxonomicName id="F0AC4D182326FFE8FB578E4AFB50C90B" box="[1161,1229,835,860]" class="Insecta" family="Nymphalidae" genus="Dryas" kingdom="Animalia" order="Lepidoptera" pageId="5" pageNumber="356" phylum="Arthropoda" rank="genus">
<emphasis id="05D8EA892326FFE8FB578E4AFB50C90B" box="[1161,1229,835,860]" italics="true" pageId="5" pageNumber="356">Dryas</emphasis>
</taxonomicName>
plant association,
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<elevation id="BC81D1A82326FFE8FF498E6EFF72C9D6" box="[151,239,871,897]" metricMagnitude="3" metricUnit="m" metricValue="1.48" pageId="5" pageNumber="356" unit="m" value="1480.0">1480 m</elevation>
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alt.,
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<collectingDate id="5356E9B32326FFE8FEF58E6EFE58C9D6" box="[299,453,871,897]" pageId="5" pageNumber="356" value="2002-07-28">28 July 2002</collectingDate>
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.
<collectorName id="9A59534D2326FFE8FE0C8E6EFDF5C9D6" box="[466,616,871,897]" pageId="5" pageNumber="356">O. Makarova</collectorName>
leg. [
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collection]
</materialsCitation>
.
<materialsCitation id="87C43CC62326FFE8FC558E6EFCA0C9F2" ID-GBIF-Occurrence="3053021336" collectionCode="MSPU" country="Russia" pageId="5" pageNumber="356" specimenCount="9" specimenCount-female="7" specimenCount-male="2" typeStatus="paratype">
<typeStatus id="E81788392326FFE8FC558E6EFC66C9D6" box="[907,1019,871,897]" pageId="5" pageNumber="356" type="paratype">Paratypes</typeStatus>
,
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<emphasis id="05D8EA892326FFE8FBD78E6EFB8AC9D6" bold="true" box="[1033,1047,871,897]" pageId="5" pageNumber="356">7</emphasis>
females
</specimenCount>
(including two immature ones) and
<specimenCount id="21AAFD122326FFE8FED48E83FEFDC9F2" box="[266,352,906,933]" pageId="5" pageNumber="356" type="male">
<emphasis id="05D8EA892326FFE8FED48E83FE85C9F3" bold="true" box="[266,280,906,932]" pageId="5" pageNumber="356">2</emphasis>
males
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from the same sample [
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collection]
</materialsCitation>
.
</paragraph>
<paragraph id="3713369B2326FFE8FF198EA7FE11CE46" blockId="5.[151,1437,798,1977]" pageId="5" pageNumber="356">
<emphasis id="05D8EA892326FFE8FF198EA7FE1EC99F" bold="true" box="[199,387,942,968]" pageId="5" pageNumber="356">Other material.</emphasis>
<materialsCitation id="87C43CC62326FFE8FE528EA7FE11CE46" ID-GBIF-Occurrence="3053021325" collectingDate="2006-08" collectorName="A. Alfimov" latitude="61.933334" location="Kolyma River" longLatPrecision="1022" longitude="149.66667" municipality="Bolshoi Annachag Mt. Range" pageId="5" pageNumber="356" specimenCount="8" specimenCount-female="4" specimenCount-male="4" stateProvince="Magadan">
<specimenCount id="21AAFD122326FFE8FE528EA7FE64C99E" box="[396,505,942,969]" pageId="5" pageNumber="356" type="female">
<emphasis id="05D8EA892326FFE8FE528EA7FE07C99F" bold="true" box="[396,410,942,968]" pageId="5" pageNumber="356">4</emphasis>
females
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and
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<emphasis id="05D8EA892326FFE8FDED8EA7FDDCC99F" bold="true" box="[563,577,942,968]" pageId="5" pageNumber="356">4</emphasis>
males
</specimenCount>
,
<collectingRegion id="F568F8792326FFE8FD458EA6FCEFC99E" box="[667,882,943,969]" country="Russia" name="Magadan" pageId="5" pageNumber="356">Magadan Province</collectingRegion>
,
<collectingMunicipality id="D777ACE12326FFE8FCA18EA6FB4FC99E" box="[895,1234,943,969]" pageId="5" pageNumber="356">Bolshoi Annachag Mt. Range</collectingMunicipality>
, upper reaches of
<location id="327360402326FFE8FF498EDAFEA4C9BA" LSID="urn:lsid:plazi:treatment:BF05878D2326FFEBFF498FBBFECECD1A:327360402326FFE8FF498EDAFEA4C9BA" box="[151,313,979,1005]" latitude="61.933334" longLatPrecision="1022" longitude="149.66667" municipality="Bolshoi Annachag Mt. Range" name="Kolyma River" pageId="5" pageNumber="356" stateProvince="Magadan">Kolyma River</location>
, vicinity of former «Aborigen» field station [~
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<geoCoordinate id="5298505C2326FFE8FC6A8EDBFBB9C9BA" box="[948,1060,978,1005]" degrees="149" direction="east" minutes="40" orientation="longitude" pageId="5" pageNumber="356" precision="925" value="149.66667">149°40E</geoCoordinate>
],
<taxonomicName id="F0AC4D182326FFE8FBE98EDAFBE6C9BB" box="[1079,1147,979,1004]" class="Insecta" family="Nymphalidae" genus="Dryas" kingdom="Animalia" order="Lepidoptera" pageId="5" pageNumber="356" phylum="Arthropoda" rank="genus">
<emphasis id="05D8EA892326FFE8FBE98EDAFBE6C9BB" box="[1079,1147,979,1004]" italics="true" pageId="5" pageNumber="356">Dryas</emphasis>
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plant association,
<date id="4312105B2326FFE8FA958EDAFF4ECE46" pageId="5" pageNumber="356" value="2006-08">
<collectingDate id="5356E9B32326FFE8FA958EDAFF4ECE46" pageId="5" pageNumber="356" value="2006-08">August 2006</collectingDate>
</date>
.
<collectorName id="9A59534D2326FFE8FF028EFEFEC6CE46" box="[220,347,1015,1041]" pageId="5" pageNumber="356">A. Alfimov</collectorName>
leg.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="7FB665102326FFE8FF198913FF6ACEBE" pageId="5" pageNumber="356" type="diagnosis">
<paragraph id="3713369B2326FFE8FF198913FF6ACEBE" blockId="5.[151,1437,798,1977]" pageId="5" pageNumber="356">
<emphasis id="05D8EA892326FFE8FF198913FEDFCE63" bold="true" box="[199,322,1050,1076]" pageId="5" pageNumber="356">Diagnosis.</emphasis>
Small sized species. Ant. IV with only 5 dorsal sensilla. PAO small, rounded with 57 vesicles. Buccal cone elongate, 2/334 labral setae, labium with full number of ordinary setae (12), seta L and two labial organites. Dorsal chaetotaxy of the
<taxonomicName id="F0AC4D182326FFE8FE6F896AFD8ECE2A" authorityName="Borner" authorityYear="1901" box="[433,531,1123,1149]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="5" pageNumber="356" phylum="Arthropoda" rank="species" species="parvulus">
<emphasis id="05D8EA892326FFE8FE6F896AFD8ECE2A" box="[433,531,1123,1149]" italics="true" pageId="5" pageNumber="356">parvulus</emphasis>
</taxonomicName>
<typeStatus id="E81788392326FFE8FDC4896AFDD7CE2A" box="[538,586,1123,1149]" pageId="5" pageNumber="356">type</typeStatus>
(i.e. three ordinary setae in dorso-external group on Th. IIIII and two such setae in the same position on Abd. IIII). Mucro with lateral lamella almost reaching the tip. Adult and preadult males with 6 modified (strong and spine-like) setae between furcal base and genital orifice. Each anal valve with 2 hr-setae.
</paragraph>
</subSubSection>
<subSubSection id="7FB665102326FFEBFF1989FBFC8BCBA2" lastPageId="6" lastPageNumber="357" pageId="5" pageNumber="356" type="description">
<paragraph id="3713369B2326FFE8FF1989FBFD89CF66" blockId="5.[151,1437,798,1977]" pageId="5" pageNumber="356">
<emphasis id="05D8EA892326FFE8FF1989FBFEC4CF5B" bold="true" box="[199,345,1266,1292]" pageId="5" pageNumber="356">Description.</emphasis>
Length (without antennae)
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. Colour grey-blue, not especially dark. Tegument granulation rather coarse and uniform.
</paragraph>
<paragraph id="3713369B2326FFE8FF198832FBBECC5E" blockId="5.[151,1437,798,1977]" pageId="5" pageNumber="356">
Antennae slightly shorter than head, Ant. IIIIV fused dorsally, ventral separation well marked. Ant. IV with simple apical vesicle, external ms, subapical or and seta i present; dorsal side of Ant. IV with clearly differentiated, curved sensilla (
<figureCitation id="AF972A1E2326FFE8FE93888AFE02CFCA" box="[333,415,1411,1437]" captionStart="FIGURES 1524" captionStartId="7.[151,264,1919,1943]" captionTargetBox="[208,1369,256,1805]" captionTargetId="figure-20@7.[188,1400,179,1893]" captionTargetPageId="7" captionText="FIGURES 1524. Pseudachorutes armatus sp. nov.: 15, dorsal chaetotaxy; 16, Ant. IIIIV (ventral side); 17, Ant. IIIIV (dorsal side); 18, AOIII; 19, labium; 20, mandible; 21, PAO and nearest ocelli; 22, ventral chaetotaxy of abdomen; 23, modified spine-like setae on Abd. IVV in male; 24, dens and mucro. Scales: Figs 15, 22 = 0.1 mm, 1621, 2324 = 0.01 mm." figureDoi="http://doi.org/10.5281/zenodo.4574817" httpUri="https://zenodo.org/record/4574817/files/figure.png" pageId="5" pageNumber="356">Fig. 17</figureCitation>
), among them three inner sensilla (S1, S3S4) and two outer ones (S7 and S8), ventral side with few sensilliform setae of various shape, including several ones with larger sockets (
<figureCitation id="AF972A1E2326FFE8FBB388AEFB5DCF95" box="[1133,1216,1447,1474]" captionStart="FIGURES 1524" captionStartId="7.[151,264,1919,1943]" captionTargetBox="[208,1369,256,1805]" captionTargetId="figure-20@7.[188,1400,179,1893]" captionTargetPageId="7" captionText="FIGURES 1524. Pseudachorutes armatus sp. nov.: 15, dorsal chaetotaxy; 16, Ant. IIIIV (ventral side); 17, Ant. IIIIV (dorsal side); 18, AOIII; 19, labium; 20, mandible; 21, PAO and nearest ocelli; 22, ventral chaetotaxy of abdomen; 23, modified spine-like setae on Abd. IVV in male; 24, dens and mucro. Scales: Figs 15, 22 = 0.1 mm, 1621, 2324 = 0.01 mm." figureDoi="http://doi.org/10.5281/zenodo.4574817" httpUri="https://zenodo.org/record/4574817/files/figure.png" pageId="5" pageNumber="356">Fig. 16</figureCitation>
). Antennal organ of Ant. III typical (
<figureCitation id="AF972A1E2326FFE8FE9288C2FE03CFB2" box="[332,414,1483,1509]" captionStart="FIGURES 1524" captionStartId="7.[151,264,1919,1943]" captionTargetBox="[208,1369,256,1805]" captionTargetId="figure-20@7.[188,1400,179,1893]" captionTargetPageId="7" captionText="FIGURES 1524. Pseudachorutes armatus sp. nov.: 15, dorsal chaetotaxy; 16, Ant. IIIIV (ventral side); 17, Ant. IIIIV (dorsal side); 18, AOIII; 19, labium; 20, mandible; 21, PAO and nearest ocelli; 22, ventral chaetotaxy of abdomen; 23, modified spine-like setae on Abd. IVV in male; 24, dens and mucro. Scales: Figs 15, 22 = 0.1 mm, 1621, 2324 = 0.01 mm." figureDoi="http://doi.org/10.5281/zenodo.4574817" httpUri="https://zenodo.org/record/4574817/files/figure.png" pageId="5" pageNumber="356">Fig. 18</figureCitation>
), inner sensilla small, sgv slightly curved and clearly longer than sgd, ventral ms and 1819 common setae present on Ant. III. Ant. III with 7 and (11)12 setae, respectively.
</paragraph>
<paragraph id="3713369B2326FFE8FF198B1AFDCBCCB6" blockId="5.[151,1437,798,1977]" pageId="5" pageNumber="356">
Head with 8+8 subequal ocelli. PAO small, rounded, consisting of 57(8) vesicles, slightly larger than nearest ocellus B, ratio 1.11.3: 1 (
<figureCitation id="AF972A1E2326FFE8FE088B3EFDB7CC06" box="[470,554,1591,1617]" captionStart="FIGURES 1524" captionStartId="7.[151,264,1919,1943]" captionTargetBox="[208,1369,256,1805]" captionTargetId="figure-20@7.[188,1400,179,1893]" captionTargetPageId="7" captionText="FIGURES 1524. Pseudachorutes armatus sp. nov.: 15, dorsal chaetotaxy; 16, Ant. IIIIV (ventral side); 17, Ant. IIIIV (dorsal side); 18, AOIII; 19, labium; 20, mandible; 21, PAO and nearest ocelli; 22, ventral chaetotaxy of abdomen; 23, modified spine-like setae on Abd. IVV in male; 24, dens and mucro. Scales: Figs 15, 22 = 0.1 mm, 1621, 2324 = 0.01 mm." figureDoi="http://doi.org/10.5281/zenodo.4574817" httpUri="https://zenodo.org/record/4574817/files/figure.png" pageId="5" pageNumber="356">Fig. 21</figureCitation>
). Buccal cone elongate. Maxilla styliform with two tiny apical teeth, lamellae not clearly seen. Mandible delicate, with two thin teeth (
<figureCitation id="AF972A1E2326FFE8FCCC8B52FCFACC22" box="[786,871,1627,1653]" captionStart="FIGURES 1524" captionStartId="7.[151,264,1919,1943]" captionTargetBox="[208,1369,256,1805]" captionTargetId="figure-20@7.[188,1400,179,1893]" captionTargetPageId="7" captionText="FIGURES 1524. Pseudachorutes armatus sp. nov.: 15, dorsal chaetotaxy; 16, Ant. IIIIV (ventral side); 17, Ant. IIIIV (dorsal side); 18, AOIII; 19, labium; 20, mandible; 21, PAO and nearest ocelli; 22, ventral chaetotaxy of abdomen; 23, modified spine-like setae on Abd. IVV in male; 24, dens and mucro. Scales: Figs 15, 22 = 0.1 mm, 1621, 2324 = 0.01 mm." figureDoi="http://doi.org/10.5281/zenodo.4574817" httpUri="https://zenodo.org/record/4574817/files/figure.png" pageId="5" pageNumber="356">Fig. 20</figureCitation>
). Distal edge of labrum rounded, number of labral setae as follows: 2/334. Main part of labium with four proximal ordinary setae, distal seta L on tiny papilla and two labial organites; submentum and mentum with usual set of four setae each, i.e. 4+4 (
<figureCitation id="AF972A1E2326FFE8FBE08BAAFB0CCCEA" box="[1086,1169,1699,1725]" captionStart="FIGURES 1524" captionStartId="7.[151,264,1919,1943]" captionTargetBox="[208,1369,256,1805]" captionTargetId="figure-20@7.[188,1400,179,1893]" captionTargetPageId="7" captionText="FIGURES 1524. Pseudachorutes armatus sp. nov.: 15, dorsal chaetotaxy; 16, Ant. IIIIV (ventral side); 17, Ant. IIIIV (dorsal side); 18, AOIII; 19, labium; 20, mandible; 21, PAO and nearest ocelli; 22, ventral chaetotaxy of abdomen; 23, modified spine-like setae on Abd. IVV in male; 24, dens and mucro. Scales: Figs 15, 22 = 0.1 mm, 1621, 2324 = 0.01 mm." figureDoi="http://doi.org/10.5281/zenodo.4574817" httpUri="https://zenodo.org/record/4574817/files/figure.png" pageId="5" pageNumber="356">Fig. 19</figureCitation>
). Perilabial area usually with 5+5, more rarely 5+4 or 4+4 setae.
</paragraph>
<paragraph id="3713369B2326FFE8FF198BE2FDB9CDEE" blockId="5.[151,1437,798,1977]" pageId="5" pageNumber="356">
Typical pattern of dorsal chaetotaxy presented on
<figureCitation id="AF972A1E2326FFE8FD2D8BE2FCDECD52" box="[755,835,1770,1797]" captionStart="FIGURES 1524" captionStartId="7.[151,264,1919,1943]" captionTargetBox="[208,1369,256,1805]" captionTargetId="figure-20@7.[188,1400,179,1893]" captionTargetPageId="7" captionText="FIGURES 1524. Pseudachorutes armatus sp. nov.: 15, dorsal chaetotaxy; 16, Ant. IIIIV (ventral side); 17, Ant. IIIIV (dorsal side); 18, AOIII; 19, labium; 20, mandible; 21, PAO and nearest ocelli; 22, ventral chaetotaxy of abdomen; 23, modified spine-like setae on Abd. IVV in male; 24, dens and mucro. Scales: Figs 15, 22 = 0.1 mm, 1621, 2324 = 0.01 mm." figureDoi="http://doi.org/10.5281/zenodo.4574817" httpUri="https://zenodo.org/record/4574817/files/figure.png" pageId="5" pageNumber="356">Fig. 15</figureCitation>
, but asymmetrical abnormalities rather frequent especially in lateral parts of terga, number of sensilla as usual: 22/11111, their length 1.51.8 times longer than ordinary microsetae. Main characteristics: head with unpaired d0, but without a0, Th. I with 2+2 setae, Th. II with both a- and p-rows including five setae each (a1a5, a2 usually shifted laterally, p1p5), only lateral m6 (S) in m-row, lateral ms present. Th. III identical, but without a2 and ms. Abd. IIV with only one seta (a3) in front of p3p4, setae of m-row absent. Abd. V without p2 as usual.
</paragraph>
<paragraph id="3713369B2325FFEBFF198D9EFE0ECBDE" blockId="6.[151,1437,151,1869]" pageId="6" pageNumber="357">
Thoracic sterna without setae. Ventral tube with 4+4 setae, no seta on sternum of Abd. I, Abd. II with 3+3 ventral setae, Abd. III with 67 such setae on each side (
<figureCitation id="AF972A1E2325FFEBFD2C8DB2FCA2CA81" box="[754,831,187,214]" captionStart="FIGURES 1524" captionStartId="7.[151,264,1919,1943]" captionTargetBox="[208,1369,256,1805]" captionTargetId="figure-20@7.[188,1400,179,1893]" captionTargetPageId="7" captionText="FIGURES 1524. Pseudachorutes armatus sp. nov.: 15, dorsal chaetotaxy; 16, Ant. IIIIV (ventral side); 17, Ant. IIIIV (dorsal side); 18, AOIII; 19, labium; 20, mandible; 21, PAO and nearest ocelli; 22, ventral chaetotaxy of abdomen; 23, modified spine-like setae on Abd. IVV in male; 24, dens and mucro. Scales: Figs 15, 22 = 0.1 mm, 1621, 2324 = 0.01 mm." figureDoi="http://doi.org/10.5281/zenodo.4574817" httpUri="https://zenodo.org/record/4574817/files/figure.png" pageId="6" pageNumber="357">Fig.22</figureCitation>
). Tenaculum with 3+3 teeth as usual. Furca not especially long. Manubrium with 78+78 setae on main part, 3 setae on each basolateral lobe and 2 basal setae in line (
<figureCitation id="AF972A1E2325FFEBFF7E8C0AFF68CB4A" box="[160,245,259,285]" captionStart="FIGURES 1524" captionStartId="7.[151,264,1919,1943]" captionTargetBox="[208,1369,256,1805]" captionTargetId="figure-20@7.[188,1400,179,1893]" captionTargetPageId="7" captionText="FIGURES 1524. Pseudachorutes armatus sp. nov.: 15, dorsal chaetotaxy; 16, Ant. IIIIV (ventral side); 17, Ant. IIIIV (dorsal side); 18, AOIII; 19, labium; 20, mandible; 21, PAO and nearest ocelli; 22, ventral chaetotaxy of abdomen; 23, modified spine-like setae on Abd. IVV in male; 24, dens and mucro. Scales: Figs 15, 22 = 0.1 mm, 1621, 2324 = 0.01 mm." figureDoi="http://doi.org/10.5281/zenodo.4574817" httpUri="https://zenodo.org/record/4574817/files/figure.png" pageId="6" pageNumber="357">Fig. 22</figureCitation>
). Dorsal side of dens with six setae and uniform granulation, hyaline field on its ventral side rather large. Mucro with upturned tip and broad lateral lamella (
<figureCitation id="AF972A1E2325FFEBFD108C2EFCBFCB16" box="[718,802,295,321]" captionStart="FIGURES 1524" captionStartId="7.[151,264,1919,1943]" captionTargetBox="[208,1369,256,1805]" captionTargetId="figure-20@7.[188,1400,179,1893]" captionTargetPageId="7" captionText="FIGURES 1524. Pseudachorutes armatus sp. nov.: 15, dorsal chaetotaxy; 16, Ant. IIIIV (ventral side); 17, Ant. IIIIV (dorsal side); 18, AOIII; 19, labium; 20, mandible; 21, PAO and nearest ocelli; 22, ventral chaetotaxy of abdomen; 23, modified spine-like setae on Abd. IVV in male; 24, dens and mucro. Scales: Figs 15, 22 = 0.1 mm, 1621, 2324 = 0.01 mm." figureDoi="http://doi.org/10.5281/zenodo.4574817" httpUri="https://zenodo.org/record/4574817/files/figure.png" pageId="6" pageNumber="357">Fig. 24</figureCitation>
). Adult and preadult males with 6 strong, spine-like setae between base of furca and genital orifice (
<figureCitation id="AF972A1E2325FFEBFDB08C42FD6DCB32" box="[622,752,331,357]" captionStart="FIGURES 1524" captionStartId="7.[151,264,1919,1943]" captionTargetBox="[208,1369,256,1805]" captionTargetId="figure-20@7.[188,1400,179,1893]" captionTargetPageId="7" captionText="FIGURES 1524. Pseudachorutes armatus sp. nov.: 15, dorsal chaetotaxy; 16, Ant. IIIIV (ventral side); 17, Ant. IIIIV (dorsal side); 18, AOIII; 19, labium; 20, mandible; 21, PAO and nearest ocelli; 22, ventral chaetotaxy of abdomen; 23, modified spine-like setae on Abd. IVV in male; 24, dens and mucro. Scales: Figs 15, 22 = 0.1 mm, 1621, 2324 = 0.01 mm." figureDoi="http://doi.org/10.5281/zenodo.4574817" httpUri="https://zenodo.org/record/4574817/files/figure.png" pageId="6" pageNumber="357">Figs 2223</figureCitation>
), in immature males these setae unmodified. Each anal valve with two tiny hr-setae.
</paragraph>
<paragraph id="3713369B2325FFEBFF198C9AFC8BCBA2" blockId="6.[151,1437,151,1869]" pageId="6" pageNumber="357">Legs IIII with 1, 2, 2 setae on upper subcoxae, 0, 2, 2 setae on lower subcoxae, 3, 6, 7 setae on coxae, 6, 6, 6 on trochanters, 13, 12, (10)11 setae on femora and 19, 19, 18 setae on tibiotarsi. Unguis with tiny, often hardly visible inner tooth in mid part of inner edge, lateral teeth absent.</paragraph>
</subSubSection>
<subSubSection id="7FB665102325FFEBFF198CF6FE6ECD52" pageId="6" pageNumber="357" type="etymology">
<paragraph id="3713369B2325FFEBFF198CF6FD00C869" blockId="6.[151,1437,151,1869]" pageId="6" pageNumber="357">
<emphasis id="05D8EA892325FFEBFF198CF6FED3C84E" bold="true" box="[199,334,511,537]" pageId="6" pageNumber="357">Etymology.</emphasis>
The name of the new species reflects its most specific morphological feature—the presence of sexual dimorphism (
<taxonomicName id="F0AC4D182325FFEBFEA38F2AFE44C86B" authorityName="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova" authorityYear="2021" box="[381,473,547,572]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="armatus">
<emphasis id="05D8EA892325FFEBFEA38F2AFE44C86B" box="[381,473,547,572]" italics="true" pageId="6" pageNumber="357">armatus</emphasis>
</taxonomicName>
in Latinarmed).
</paragraph>
<paragraph id="3713369B2325FFEBFF198F4FFD42C99E" blockId="6.[151,1437,151,1869]" pageId="6" pageNumber="357">
<emphasis id="05D8EA892325FFEBFF198F4FFEA0C837" bold="true" box="[199,317,582,608]" pageId="6" pageNumber="357">Affinities.</emphasis>
Main diagnostic characters of
<taxonomicName id="F0AC4D182325FFEBFD7C8F4EFC81C837" authority="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova, 2021" authorityName="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova" authorityYear="2021" box="[674,796,583,608]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="armatus" status="sp. nov.">
<emphasis id="05D8EA892325FFEBFD7C8F4EFC81C837" box="[674,796,583,608]" italics="true" pageId="6" pageNumber="357">P. armatus</emphasis>
</taxonomicName>
<emphasis id="05D8EA892325FFEBFCFB8F4EFC1CC836" bold="true" box="[805,897,583,609]" pageId="6" pageNumber="357">
<taxonomicNameLabel id="1EEB57F22325FFEBFCFB8F4EFC1CC836" box="[805,897,583,609]" pageId="6" pageNumber="357" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
are identical with those of
<taxonomicName id="F0AC4D182325FFEBFB618F4EFAA2C836" authorityName="Borner" authorityYear="1901" box="[1215,1343,583,609]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="parvulus">
<emphasis id="05D8EA892325FFEBFB618F4EFAA2C836" box="[1215,1343,583,609]" italics="true" pageId="6" pageNumber="357">P. parvulus</emphasis>
</taxonomicName>
B ӧrner, 1901. Both these species are characterized by small size of body and PAO, usually simple apical vesicle on Ant. IV, incomplete dorsal chaetotaxy, similar labium with the presence of seta L and two labial organites and only two prelabral setae. However, sexual dimorphism, which is characteristic of the new species, is not common for the genus (although not unique, see below), at least for its Holarctic representatives, and this phenomenon was never mentioned for
<taxonomicName id="F0AC4D182325FFEBFEE28FF2FE27C942" authorityName="Borner" authorityYear="1901" box="[316,442,763,789]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="parvulus">
<emphasis id="05D8EA892325FFEBFEE28FF2FE27C942" box="[316,442,763,789]" italics="true" pageId="6" pageNumber="357">P. parvulus</emphasis>
</taxonomicName>
. There are also several finer differences between these two species which are apparently constant, i.e. a number of dorsal sensilla on Ant. IV (
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<taxonomicName id="F0AC4D182325FFEBFCFB8E16FC00C96F" authority="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova, 2021" authorityName="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova" authorityYear="2021" box="[805,925,799,824]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="armatus" status="sp. nov.">
<emphasis id="05D8EA892325FFEBFCFB8E16FC00C96F" box="[805,925,799,824]" italics="true" pageId="6" pageNumber="357">P. armatus</emphasis>
</taxonomicName>
<emphasis id="05D8EA892325FFEBFC7B8E16FB9DC96E" bold="true" box="[933,1024,799,825]" pageId="6" pageNumber="357">
<taxonomicNameLabel id="1EEB57F22325FFEBFC7B8E16FB9DC96E" box="[933,1024,799,825]" pageId="6" pageNumber="357" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
vs
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<taxonomicName id="F0AC4D182325FFEBFB828E16FB46C96E" authorityName="Borner" authorityYear="1901" box="[1116,1243,799,825]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="parvulus">
<emphasis id="05D8EA892325FFEBFB828E16FB46C96E" box="[1116,1243,799,825]" italics="true" pageId="6" pageNumber="357">P. parvulus</emphasis>
</taxonomicName>
) and labral setae (2/
<quantity id="F0549B7E2325FFEBFF6B8E4AFF60C90A" box="[181,253,835,861]" metricMagnitude="0" metricUnit="m" metricValue="8.4836" pageId="6" pageNumber="357" unit="in" value="334.0">334 in</quantity>
<taxonomicName id="F0AC4D182325FFEBFEDD8E4AFEE7C90B" authority="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova, 2021" authorityName="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova" authorityYear="2021" box="[259,378,835,860]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="armatus" status="sp. nov.">
<emphasis id="05D8EA892325FFEBFEDD8E4AFEE7C90B" box="[259,378,835,860]" italics="true" pageId="6" pageNumber="357">P. armatus</emphasis>
</taxonomicName>
<emphasis id="05D8EA892325FFEBFE5E8E4AFE47C90A" bold="true" box="[384,474,835,861]" pageId="6" pageNumber="357">
<taxonomicNameLabel id="1EEB57F22325FFEBFE5E8E4AFE47C90A" box="[384,474,835,861]" pageId="6" pageNumber="357" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
vs 2/
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<taxonomicName id="F0AC4D182325FFEBFDAE8E4AFD70C90A" authorityName="Borner" authorityYear="1901" box="[624,749,835,861]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="parvulus">
<emphasis id="05D8EA892325FFEBFDAE8E4AFD70C90A" box="[624,749,835,861]" italics="true" pageId="6" pageNumber="357">P. parvulus</emphasis>
</taxonomicName>
), and Th. I with an unusual set of 2+2 setae (vs 3+
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<taxonomicName id="F0AC4D182325FFEBFA8C8E4AFF4FC9D6" authorityName="Borner" authorityYear="1901" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="parvulus">
<emphasis id="05D8EA892325FFEBFA8C8E4AFF4FC9D6" italics="true" pageId="6" pageNumber="357">P. parvulus</emphasis>
</taxonomicName>
). In addition, the mandibles seem to be slightly different—only two teeth were seen in the new species, while
<taxonomicName id="F0AC4D182325FFEBFF498E82FE89C9F2" authorityName="Borner" authorityYear="1901" box="[151,276,907,933]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="parvulus">
<emphasis id="05D8EA892325FFEBFF498E82FE89C9F2" box="[151,276,907,933]" italics="true" pageId="6" pageNumber="357">P. parvulus</emphasis>
</taxonomicName>
usually has 12 extra small denticles between apical and basal teeth. This character is not easy to detect and, therefore, is unlikely to be particularly reliable.
</paragraph>
<paragraph id="3713369B2325FFEBFF198EDAFA14CE0D" blockId="6.[151,1437,151,1869]" pageId="6" pageNumber="357">
There is also another species of the same group in the region under study, i.e.
<taxonomicName id="F0AC4D182325FFEBFBC08EDAFA05C9BA" authority="Tamura, 2001" authorityName="Tamura" authorityYear="2001" box="[1054,1432,979,1005]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="hitakamiensis">
<emphasis id="05D8EA892325FFEBFBC08EDAFBA9C9BB" box="[1054,1076,979,1004]" italics="true" pageId="6" pageNumber="357">P.</emphasis>
cf.
<emphasis id="05D8EA892325FFEBFB828EDAFB6BC9BA" box="[1116,1270,979,1005]" italics="true" pageId="6" pageNumber="357">hitakamiensis</emphasis>
<bibRefCitation id="533D4B6A2325FFEBFB258EDAFA05C9BA" author="Tamura, H." box="[1275,1432,979,1005]" pageId="6" pageNumber="357" pagination="23 - 26" refId="ref31770" refString="Tamura, H. (2001) Collembola of the central region of the Ou Mountains, northeast Japan. I. Two new species of the genus Pseudachorutes from Mt. Yakeishi (Collembola; Hypogastruridae). Natural History Bulletin of Ibaraki University, 5, 23 - 26." type="journal article" year="2001">Tamura, 2001</bibRefCitation>
</taxonomicName>
, which description is given below. It is also characterized by small size of body and PAO, usually simple apical vesicle on Ant. IV, incomplete dorsal chaetotaxy and only two prelabral setae. It differs from both
<taxonomicName id="F0AC4D182325FFEBFB1A8912FAA6CE63" authority="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova, 2021" authorityName="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova" authorityYear="2021" box="[1220,1339,1051,1076]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="armatus" status="sp. nov.">
<emphasis id="05D8EA892325FFEBFB1A8912FAA6CE63" box="[1220,1339,1051,1076]" italics="true" pageId="6" pageNumber="357">P. armatus</emphasis>
</taxonomicName>
<emphasis id="05D8EA892325FFEBFA9C8912FA01CE62" bold="true" box="[1346,1436,1051,1077]" pageId="6" pageNumber="357">
<taxonomicNameLabel id="1EEB57F22325FFEBFA9C8912FA01CE62" box="[1346,1436,1051,1077]" pageId="6" pageNumber="357" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
and
<taxonomicName id="F0AC4D182325FFEBFF198936FED9CE0E" authorityName="Borner" authorityYear="1901" box="[199,324,1087,1113]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="parvulus">
<emphasis id="05D8EA892325FFEBFF198936FED9CE0E" box="[199,324,1087,1113]" italics="true" pageId="6" pageNumber="357">P. parvulus</emphasis>
</taxonomicName>
having no seta L and labial organites on labium (see also Remarks to
<taxonomicName id="F0AC4D182325FFEBFB8A8936FAB0CE0E" authorityName="Tamura" authorityYear="2001" box="[1108,1325,1087,1113]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="hitakamiensis">
<emphasis id="05D8EA892325FFEBFB8A8936FBF4CE0F" box="[1108,1129,1087,1112]" italics="true" pageId="6" pageNumber="357">P.</emphasis>
cf.
<emphasis id="05D8EA892325FFEBFB4D8936FAB0CE0E" box="[1171,1325,1087,1113]" italics="true" pageId="6" pageNumber="357">hitakamiensis</emphasis>
</taxonomicName>
below).
</paragraph>
<paragraph id="3713369B2325FFEBFF19896AFC92CEF6" blockId="6.[151,1437,151,1869]" pageId="6" pageNumber="357">
A comparison of
<taxonomicName id="F0AC4D182325FFEBFE4E896AFD97CE2B" authority="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova, 2021" authorityName="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova" authorityYear="2021" box="[400,522,1123,1148]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="armatus" status="sp. nov.">
<emphasis id="05D8EA892325FFEBFE4E896AFD97CE2B" box="[400,522,1123,1148]" italics="true" pageId="6" pageNumber="357">P. armatus</emphasis>
</taxonomicName>
<emphasis id="05D8EA892325FFEBFDCD896AFDF2CE2A" bold="true" box="[531,623,1123,1149]" pageId="6" pageNumber="357">
<taxonomicNameLabel id="1EEB57F22325FFEBFDCD896AFDF2CE2A" box="[531,623,1123,1149]" pageId="6" pageNumber="357" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
with
<taxonomicName id="F0AC4D182325FFEBFD6D896AFCADCE2B" authority="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova, 2021" authorityName="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova" authorityYear="2021" box="[691,816,1123,1148]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="minimus" status="sp. nov.">
<emphasis id="05D8EA892325FFEBFD6D896AFCADCE2B" box="[691,816,1123,1148]" italics="true" pageId="6" pageNumber="357">P. minimus</emphasis>
</taxonomicName>
<emphasis id="05D8EA892325FFEBFCE7896AFC08CE2A" bold="true" box="[825,917,1123,1149]" pageId="6" pageNumber="357">
<taxonomicNameLabel id="1EEB57F22325FFEBFCE7896AFC08CE2A" box="[825,917,1123,1149]" pageId="6" pageNumber="357" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, the third similar species in the region under consideration, is given below when describing the latter.
</paragraph>
<paragraph id="3713369B2325FFEBFF1989A2FB88CF02" blockId="6.[151,1437,151,1869]" pageId="6" pageNumber="357">
The presence of true
<taxonomicName id="F0AC4D182325FFEBFE6A89A2FDACCE92" authorityName="Borner" authorityYear="1901" box="[436,561,1195,1221]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="parvulus">
<emphasis id="05D8EA892325FFEBFE6A89A2FDACCE92" box="[436,561,1195,1221]" italics="true" pageId="6" pageNumber="357">P. parvulus</emphasis>
</taxonomicName>
in the study region remains questionable. We have seen only one male (
<collectingCountry id="4FBB760B2325FFEBFA8789A2FF43CEBE" name="South Korea" pageId="6" pageNumber="357">South Korea</collectingCountry>
, Gangwon-do, Pongnaesan Mt., mixed forest, litter,
<date id="4312105B2325FFEBFCE989C6FC25CEBE" box="[823,952,1231,1257]" pageId="6" pageNumber="357" value="2017-06-09">06.09.2017</date>
, leg. A. Kuprin), which is very close to
<taxonomicName id="F0AC4D182325FFEBFA5689C6FF64CF5A" authorityName="Borner" authorityYear="1901" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="parvulus">
<emphasis id="05D8EA892325FFEBFA5689C6FF64CF5A" italics="true" pageId="6" pageNumber="357">P. parvulus</emphasis>
</taxonomicName>
in most diagnostic features, including dorsal and labial chaetotaxy. However, it has only five sensilla on Ant. IV (S2 is absent as in
<taxonomicName id="F0AC4D182325FFEBFE19881EFDA2CF67" authority="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova, 2021" authorityName="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova" authorityYear="2021" box="[455,575,1303,1328]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="armatus" status="sp. nov.">
<emphasis id="05D8EA892325FFEBFE19881EFDA2CF67" box="[455,575,1303,1328]" italics="true" pageId="6" pageNumber="357">P. armatus</emphasis>
</taxonomicName>
<emphasis id="05D8EA892325FFEBFD98881EFD3DCF66" bold="true" box="[582,672,1303,1329]" pageId="6" pageNumber="357">
<taxonomicNameLabel id="1EEB57F22325FFEBFD98881EFD3DCF66" box="[582,672,1303,1329]" pageId="6" pageNumber="357" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
) and slightly different number of labral setae (2/2324 vs 2/
<quantity id="F0549B7E2325FFEBFAE7881EFA1CCF66" box="[1337,1409,1303,1329]" metricMagnitude="0" metricUnit="m" metricValue="8.4836" pageId="6" pageNumber="357" unit="in" value="334.0">334 in</quantity>
<taxonomicName id="F0AC4D182325FFEBFA56881EFF6ECF03" authority="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova, 2021" authorityName="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova" authorityYear="2021" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="armatus" status="sp. nov.">
<emphasis id="05D8EA892325FFEBFA56881EFF6ECF03" italics="true" pageId="6" pageNumber="357">P. armatus</emphasis>
</taxonomicName>
<emphasis id="05D8EA892325FFEBFF248832FEC9CF02" bold="true" box="[250,340,1339,1365]" pageId="6" pageNumber="357">
<taxonomicNameLabel id="1EEB57F22325FFEBFF248832FEC9CF02" box="[250,340,1339,1365]" pageId="6" pageNumber="357" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
and 2/
<quantity id="F0549B7E2325FFEBFE418832FE68CF02" box="[415,501,1339,1365]" metricMagnitude="1" metricUnit="m" metricValue="5.92836" pageId="6" pageNumber="357" unit="in" value="2334.0">2334 in</quantity>
<taxonomicName id="F0AC4D182325FFEBFE258832FDE4CF02" authorityName="Borner" authorityYear="1901" box="[507,633,1339,1365]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="parvulus">
<emphasis id="05D8EA892325FFEBFE258832FDE4CF02" box="[507,633,1339,1365]" italics="true" pageId="6" pageNumber="357">P. parvulus</emphasis>
</taxonomicName>
). The status of this form is not clear.
</paragraph>
<paragraph id="3713369B2325FFEBFF198856FE6ECD52" blockId="6.[151,1437,151,1869]" pageId="6" pageNumber="357">
Of the 120 species known in the genus
<taxonomicName id="F0AC4D182325FFEBFDA38856FCADCF2E" authorityName="Tullberg" authorityYear="1871" box="[637,816,1375,1401]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="genus">
<emphasis id="05D8EA892325FFEBFDA38856FCADCF2E" box="[637,816,1375,1401]" italics="true" pageId="6" pageNumber="357">Pseudachorutes</emphasis>
</taxonomicName>
according to www.
<taxonomicName id="F0AC4D182325FFEBFBD68856FB14CF2E" box="[1032,1161,1375,1401]" class="Collembola" kingdom="Animalia" pageId="6" pageNumber="391" phylum="Arthropoda" rank="class">collembola</taxonomicName>
.org we were able to find only two congeners, namely
<taxonomicName id="F0AC4D182325FFEBFE00888AFCD7CFCA" authority="Najt &amp; Weiner, 1997" authorityName="Najt &amp; Weiner" authorityYear="1997" box="[478,842,1411,1437]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="bobeitio">
<emphasis id="05D8EA892325FFEBFE00888AFDCBCFCA" box="[478,598,1411,1437]" italics="true" pageId="6" pageNumber="357">P. bobeitio</emphasis>
<bibRefCitation id="533D4B6A2325FFEBFD80888AFCD7CFCA" author="Najt, J. &amp; Weiner, W. M." box="[606,842,1411,1437]" pageId="6" pageNumber="357" pagination="9 - 44" refId="ref31306" refString="Najt, J. &amp; Weiner, W. M. (1997) Collembola Poduromorpha de Nouvelle-Caledonie. In: Najt, J. &amp; Matile, L. (Eds.), Zoologia Neocaledonica. Vol. 4. Memoires du Museum national d'Histoire naturelle, 171, pp. 9 - 44." type="journal article" year="1997">Najt &amp; Weiner, 1997</bibRefCitation>
</taxonomicName>
(
<collectingCountry id="4FBB760B2325FFEBFC87888AFB96CFC9" box="[857,1035,1411,1438]" name="New Caledonia" pageId="6" pageNumber="357">New Caledonia</collectingCountry>
) and
<taxonomicName id="F0AC4D182325FFEBFB95888AFE5DCF95" authority="Gao &amp; Palacios-Vargas, 2008" authorityName="Gao &amp; Palacios-Vargas. General" authorityYear="2008" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="polychaetosus">
<emphasis id="05D8EA892325FFEBFB95888AFA9ACFCA" box="[1099,1287,1411,1437]" italics="true" pageId="6" pageNumber="357">P. polychaetosus</emphasis>
<bibRefCitation id="533D4B6A2325FFEBFAD0888AFEFDCF96" author="Gao, Y. &amp; Palacios-Vargas, J. G." pageId="6" pageNumber="357" pagination="53 - 58" refId="ref30459" refString="Gao, Y. &amp; Palacios-Vargas, J. G. (2008) A new species of genus Pseudachorutes Tullberg, 1871 (Collembola: Neanuridae: Pseudachorutinae) from China. Zootaxa, 1895 (1), 53 - 58. https: // doi. org / 10.11646 / zootaxa. 1895.1.5" type="journal article" year="2008">Gao &amp; Palacios-Vargas, 2008</bibRefCitation>
(
<collectingCountry id="4FBB760B2325FFEBFEAE88AEFE25CF95" box="[368,440,1447,1474]" name="China" pageId="6" pageNumber="357">China</collectingCountry>
)
</taxonomicName>
, which have some kind of modified setae in adult males. The latter species, having two groups of such setae at the furca base in males and characterized by numerous clearly differentiated setae on the dorsal side of the body, is obviously not closely related to
<taxonomicName id="F0AC4D182325FFEBFCFA88E6FC01CC5F" authority="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova, 2021" authorityName="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova" authorityYear="2021" box="[804,924,1519,1544]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="armatus" status="sp. nov.">
<emphasis id="05D8EA892325FFEBFCFA88E6FC01CC5F" box="[804,924,1519,1544]" italics="true" pageId="6" pageNumber="357">P. armatus</emphasis>
</taxonomicName>
<emphasis id="05D8EA892325FFEBFC7D88E6FC60CC5E" bold="true" box="[931,1021,1519,1545]" pageId="6" pageNumber="357">
<taxonomicNameLabel id="1EEB57F22325FFEBFC7D88E6FC60CC5E" box="[931,1021,1519,1545]" pageId="6" pageNumber="357" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
Main diagnostic traits of
<emphasis id="05D8EA892325FFEBFAC088E6FA01CC5E" box="[1310,1436,1519,1545]" italics="true" pageId="6" pageNumber="357">
<taxonomicName id="F0AC4D182325FFEBFAC088E6FA0ACC5E" authorityName="Najt &amp; Weiner" authorityYear="1997" box="[1310,1431,1519,1545]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="bobeitio">P. bobeitio</taxonomicName>
,
</emphasis>
which males armed by two spine-like setae located anterior to genital orifice, and
<taxonomicName id="F0AC4D182325FFEBFBFE8B1AFB0ACC7B" authority="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova, 2021" authorityName="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova" authorityYear="2021" box="[1056,1175,1555,1580]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="armatus" status="sp. nov.">
<emphasis id="05D8EA892325FFEBFBFE8B1AFB0ACC7B" box="[1056,1175,1555,1580]" italics="true" pageId="6" pageNumber="357">P. armatus</emphasis>
</taxonomicName>
<emphasis id="05D8EA892325FFEBFB428B1AFB68CC7A" bold="true" box="[1180,1269,1555,1581]" pageId="6" pageNumber="357">
<taxonomicNameLabel id="1EEB57F22325FFEBFB428B1AFB68CC7A" box="[1180,1269,1555,1581]" pageId="6" pageNumber="357" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
are more similar. Both species are characterized by small size, low number of vesicles in PAO, almost identical dorsal chaetotaxy consisting of short, undifferentiated setae, mandibles with two teeth and some others. However, additionally to the different number of modified setae in males, they differ by the number of dorsal sensilla on Ant. IV (
<quantity id="F0549B7E2325FFEBFB2B8B77FA82CCCE" box="[1269,1311,1662,1689]" metricMagnitude="-1" metricUnit="m" metricValue="1.27" pageId="6" pageNumber="357" unit="in" value="5.0">5 in</quantity>
<taxonomicName id="F0AC4D182325FFEBFAF88B76FA01CCCF" authority="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova, 2021" authorityName="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova" authorityYear="2021" box="[1318,1436,1663,1688]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="armatus" status="sp. nov.">
<emphasis id="05D8EA892325FFEBFAF88B76FA01CCCF" box="[1318,1436,1663,1688]" italics="true" pageId="6" pageNumber="357">P. armatus</emphasis>
</taxonomicName>
<emphasis id="05D8EA892325FFEBFF498BAAFF6DCCEA" bold="true" box="[151,240,1699,1725]" pageId="6" pageNumber="357">
<taxonomicNameLabel id="1EEB57F22325FFEBFF498BAAFF6DCCEA" box="[151,240,1699,1725]" pageId="6" pageNumber="357" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
vs
<quantity id="F0549B7E2325FFEBFECB8BAAFEA2CCEA" box="[277,319,1699,1725]" metricMagnitude="-1" metricUnit="m" metricValue="1.524" pageId="6" pageNumber="357" unit="in" value="6.0">6 in</quantity>
<taxonomicName id="F0AC4D182325FFEBFE9A8BAAFE26CCEA" authorityName="Najt &amp; Weiner" authorityYear="1997" box="[324,443,1699,1725]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="bobeitio">
<emphasis id="05D8EA892325FFEBFE9A8BAAFE26CCEA" box="[324,443,1699,1725]" italics="true" pageId="6" pageNumber="357">P. bobeitio</emphasis>
</taxonomicName>
), labium (L-seta is present in
<taxonomicName id="F0AC4D182325FFEBFCDB8BAAFCE1CCEB" authority="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova, 2021" authorityName="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova" authorityYear="2021" box="[773,892,1699,1724]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="armatus" status="sp. nov.">
<emphasis id="05D8EA892325FFEBFCDB8BAAFCE1CCEB" box="[773,892,1699,1724]" italics="true" pageId="6" pageNumber="357">P. armatus</emphasis>
</taxonomicName>
<emphasis id="05D8EA892325FFEBFC5F8BAAFC47CCEA" bold="true" box="[897,986,1699,1725]" pageId="6" pageNumber="357">
<taxonomicNameLabel id="1EEB57F22325FFEBFC5F8BAAFC47CCEA" box="[897,986,1699,1725]" pageId="6" pageNumber="357" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
vs absent in
<taxonomicName id="F0AC4D182325FFEBFBB68BAAFB43CCEA" authorityName="Najt &amp; Weiner" authorityYear="1997" box="[1128,1246,1699,1725]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="bobeitio">
<emphasis id="05D8EA892325FFEBFBB68BAAFB43CCEA" box="[1128,1246,1699,1725]" italics="true" pageId="6" pageNumber="357">P. bobeitio</emphasis>
</taxonomicName>
), and chaetotaxy of Th. III (Th. I with 2+2 setae and a2 is present on Th. II in
<taxonomicName id="F0AC4D182325FFEBFC8E8BCEFC55CCB7" authority="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova, 2021" authorityName="Babenko &amp; Kuznetsova &amp; Nakamori &amp; Shveenkova" authorityYear="2021" box="[848,968,1735,1760]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="armatus" status="sp. nov.">
<emphasis id="05D8EA892325FFEBFC8E8BCEFC55CCB7" box="[848,968,1735,1760]" italics="true" pageId="6" pageNumber="357">P. armatus</emphasis>
</taxonomicName>
<emphasis id="05D8EA892325FFEBFC118BCEFBB4CCB6" bold="true" box="[975,1065,1735,1761]" pageId="6" pageNumber="357">
<taxonomicNameLabel id="1EEB57F22325FFEBFC118BCEFBB4CCB6" box="[975,1065,1735,1761]" pageId="6" pageNumber="357" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
vs Th. I with 3+3 setae and a2 is absent on Th. II in
<taxonomicName id="F0AC4D182325FFEBFEB28BE2FE7ECD52" authorityName="Najt &amp; Weiner" authorityYear="1997" box="[364,483,1771,1797]" class="Entognatha" family="Neanuridae" genus="Pseudachorutes" kingdom="Animalia" order="Collembola" pageId="6" pageNumber="357" phylum="Arthropoda" rank="species" species="bobeitio">
<emphasis id="05D8EA892325FFEBFEB28BE2FE7ECD52" box="[364,483,1771,1797]" italics="true" pageId="6" pageNumber="357">P. bobeitio</emphasis>
</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection id="7FB665102325FFEBFF198A07FECECD1A" pageId="6" pageNumber="357" type="distribution">
<paragraph id="3713369B2325FFEBFF198A07FECECD1A" blockId="6.[151,1437,151,1869]" pageId="6" pageNumber="357">
<emphasis id="05D8EA892325FFEBFF198A07FEFCCD7F" bold="true" box="[199,353,1806,1832]" pageId="6" pageNumber="357">Distribution.</emphasis>
The new species is known from two areas of northeastern Siberia, remote from each other by almost
<quantity id="F0549B7E2325FFEBFF378A3BFED2CD1A" box="[233,335,1842,1869]" metricMagnitude="6" metricUnit="m" metricValue="1.5" pageId="6" pageNumber="357" unit="km" value="1500.0">1500 km</quantity>
.
</paragraph>
</subSubSection>
</treatment>
</document>